We run our this business for 9 years. All our items will be tested, ensure 100% work in orders before shippping, and we'll package the item carefully in a safty box. Because of the time difference, we'll response your message in 24 hours, please don't worry about anything to do business with us. Please make sure this item is the correct one your wanted before purshasing. Top case Palmrest w keyboard backlight For Macbook Pro Retina 15.4 A1398 2013.With Backlight Backlit Upper Case only without touchpad. Please do not return any items without an authorization number or other instructions by us. Any packages that are send without our knowledge will be refused and no replacements will be issued.